package com.atguigu.light;

/**
 * @author li.chunlong lcl253-137@alibaba-inc.com
 * @desc Receiver执行者角色
 * @date 2021-08-20
 */
public class LightReceiver {

    public void on() {
        System.out.println("电灯打开了..");
    }

    public void off() {
        System.out.println("电灯关闭了..");
    }
}
